2018年10月30日 星期二

Kepler Planet Hunting Mission Ends

NASA Retires Kepler Space Telescope

"After nine years in deep space collecting data that indicate our sky to be filled with billions of hidden planets - more planets even than stars - NASA's Kepler space telescope has run out of fuel needed for further science operations. NASA has decided to retire the spacecraft within its current, safe orbit, away from Earth. Kepler leaves a legacy of more than 2,600 planet discoveries from outside our solar system, many of which could be promising places for life."



from NASA Watch https://ift.tt/2ABPx7j
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